A pneumatic tyre health: purpose, types, overlay

When and how to use medical pneumatic tyres

In medicine, in particular traumatology, widespread such a device for immobilization, such as bus. It captures part of the body the damaged.

Its application is necessary for the prevention and treatment of injuries and diseases of the musculoskeletal system.

They create support the damaged part of the body, prevent further displacement, to reduce the pain.

Bus device

Pneumatic tire health is a sort of sealed chamber inside of which is placed the injured limb, while inside is air supply.

By creating excess pressure are formed the conditions for reliable and soft fixation.

In its composition includes a polyvinylchloride elastic film for medical purposes.

This product is used for the immobilization in those cases, if there is to be suspected limb fractures: tibia, forearm, foot, and damage to the joints – elbow, knee.

Pneumatic tires also have a heat insulation effect that makes it possible to use in winter.

They are used in emergency medicine is included in the kits for the ambulance. It securely locks the limb due to excessive pressure between the walls.

The principle of operation is to compress its limbs upon injection of air into the chamber (closed cavity) by pressing the pump.

She firmly embraces and fixes the damaged limb. They are designed so that the maximum pressure may be only 50 mm of mercury.St.

Pneumatic tyres can be used to stop bleeding, so, in order to prevent transmission. They are airtight, radiolucent.

This model in its structure has the following elements: double-layer plastic films, the zipper device with valve and drainage tube, which serves to discharge air into the chamber.

Where a device is used?

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  • suspected fractures;
  • damage to the joints, forearms, feet, lower third of the thigh;
  • for fixation of the injured limb during transport of the patient to the medical facility;
  • a soft tissue injury with external bleeding;
  • they are designed in order to provide the necessary first aid, for example, if damages received as a result of an accident or of an accident;
  • they are used in ambulances, sports facilities, emergency, units of the interior Ministry, in the service of medicine of accidents;
  • these products are used for immobilization and evacuation of victims from the areas of disasters and emergencies;

The main varieties

There are types of pneumatic tires:

  • for hand , forearm;
  • to foot, lower leg;
  • for hip, knee joint.

The pressure in the chamber, amounting to 40-45 mm Hg.St., allows the lock to acquire the necessary stiffness for transport immobilization.

Bus is technically capable of withstanding at least 1000 cycles overlay. They are suitable for use at temperatures from -25 to +40 degrees.

Evaluate the pros and cons


  • it provides a simple, fast creation of conditions for fixation;
  • minimal risk of injury when it is imposing;
  • to make x-rays, it is not necessary to remove – it has a good permeability to x-rays;
  • observation of the damaged limb;
  • mobile, their imposition does not require the special professional skills;
  • size allows free overlay to the limb over the clothes, shoes.


  • the overlay has an inadequate degree of fixation for fractures of the hip , shoulder;
  • the possibility of lung damage, and in this regard, the loss properties of the retainer;
  • in addition, for better immobilization it should be more pumped up, and this can lead to compression of the subject soft tissue;
  • open damage it can cause increased bleeding from the wound and function as a venous tourniquet.
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Children and adult models

There are children and adult pneumatic tyres.

Their purpose, material, device, technology is the same. Both types are welded together and have a zipper. The difference between them in size, price.

What is immobilization?

Step-by-step imposition of a pneumatic tyre:

  1. First of all, visiting the site of injury to assess the patient’s condition, if necessary, carry out anesthesia.
  2. A pneumatic tire is removed from the package. Undo the clasp and fed under the injured limb (spot fixing).
  3. Injured limbs give a comfortable physiological position. Tire result in accordance with the position and contour of the fixed seats. If necessary, the arm is fixed with a bandage through a healthy forearm in order to not have happened traumatic shock. Create the lining of bandage, cotton wool. In open fractures initially sterile bandage. Then it button. It should be noted that the imposition of a latch does not provide for the removal of clothes, shoes.
  4. Then close the clasp. Open the valve by turning the drainage pipe anticlockwise. Mouth (using towel) inflate the tire and reverse rotation of the tube, close the valve. It can be inflated by air, both independently and with the hand pump.
  5. It is necessary to observe the condition of the limb. The fingers should be warm. It is necessary for the prevention of ischemia.
  6. The patient is transported in the supine or sitting position, depending on the severity of the condition and damage to the victim.
  7. When removing open the valve, and then by unzipping the zipper lock of the limb is removed. To prevent excessive compression of tissue as soon as possible deliver the victim to a healthcare facility within a period not exceeding 1 hour.
  8. Before you can use it again, it should be disinfected with warm water and soap, dry.
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Medical pneumatic tyres have small weight, easy and quick overlap, which is important when providing first aid.

When used there is a possibility of observation of the limb. The risk of trauma to the patient is minimal. They are particularly useful in the emergency medical service, in time of war and in expeditions and work on emergency response.

The imposition of such a tire may still not be sufficient for more serious injuries, for example, when the hip injury.

The minimum time costs undoubtedly are a huge plus when you need to help the victim. Moreover, such a locking mechanism reduces the risk of infection with open wounds and securely holds the limb in a predetermined position.